A motor vehicle includes headlamps having a plurality of LED light sources, one or more processors, and a memory storing instructions. One or more processors executing the instructions are enabled to receive first data, including at least map data, indicating a road curvature upcoming along a road on which the motor vehicle is traveling. The processors are also enabled to determine a light change, the change adapting a light pattern of the headlamps in at least one of color, intensity or spatial distribution to increase light in a direction of the road curvature ahead of the motor vehicle and shaping light based at least in part on the road curvature. The processors are further enabled to control at least a first plurality of the LED light sources to provide light based at least in part on the determined light change and prior to the motor vehicle reaching the road curvature.

The invention relates to a lamp unit (100) for a motor-vehicle lighting device, comprising: a dipped-beam module (101), a main-beam module (102), an imaging optical element (103, 503) connected downstream of the dipped-beam module (101) and the main-beam module (102), having an optical axis (104, 204, 404, 504) and a focal surface (116) orientated normal to the optical axis (104, 204, 404, 504), and a diaphragm (105, 405), which has a diaphragm edge (106, 206, 306) and extends essentially up to the focal surface (116) of the imaging optical element (103, 503) for generating the horizontal cut-off line in a light image generated by the lamp unit (100), wherein the diaphragm (105, 405) has an opaque diaphragm region (107, 407) and has a transparent diaphragm region (108, 408) with a geometric structure (109, 409) made from a transparent material at the diaphragm edge (106, 206, 306) in the region of the focal surface (116), the geometric structure (109, 409) has at least one prism body (110, 210, 310, 410, 510) with a triangular cross-sectional area, which is elongated and the longitudinal extent runs substantially transversely to the optical axis (104, 204, 404), the at least one prism body (110, 210, 310, 410, 510) has a first, a second and a third prism surface, the second prism surface (112, 212, 312, 512) encloses an internal angle α1≥θ with the first prism surface (111, 211, 311), and the third prism surface (113, 213, 313, 513) encloses an internal angle α2≥θ with the first prism surface (111, 211, 311), wherein θ is the critical angle of total internal reflection of the transparent material, the internal angles α1 and α2 are the same or different, and with the proviso that the internal angle α1 or the internal angle α2 is not 45°.

A vehicle lamp includes a first lamp unit for forming a first region of a beam pattern, and a second lamp unit for forming a second region of the beam pattern. The first lamp unit and the second lamp unit are arranged in a left-right direction. Each of the first lamp unit and the second lamp unit includes a plurality of lamp modules arranged in the left-right direction, each of the plurality of lamp modules including a light source unit including a light source and a light path adjusting unit. A position of light irradiation region formed by the light emitted from each of the plurality of lamp modules is particularly configured depending on a position of the light source with respect to a rear focal point of the light path adjusting unit.

A low beam optical module includes a lens, a light-shielding sheet and at least one light concentrating portion. The light-shielding sheet includes a light-shielding sheet body. An upper edge of a front end of the light-shielding sheet body comprises a low beam cutoff line structure. A front end surface and the rear end surface of the light-shielding sheet body are transparent. The light concentrating portion is connected to a rear end of the light-shielding sheet. The lens is arranged in front of the light-shielding sheet, and an outer contour surface of the at least one light concentrating portion is engaged with a lower surface of the light-shielding sheet body—the light-shielding sheet body can receive emitted light of the light concentrating portion and refract the light from the front end surface to the lens. The projected light forms a low beam region III beam shape. A low beam illumination module, a vehicle lamp and a vehicle includes the low beam optical module.

The invention relates to a lighting device (1) for a motor vehicle headlight for generating a light pattern with a light-shadow line, wherein the lighting device comprises a light source (10), a light-permeable body (100), a light injection element (101) for injecting light which the at least one light source (10) emits, and a projection device (500). The light-permeable body (100) has an aperture device (103) with an aperture edge region (104). A light beam (S2) spreading in the optical element (110) is displayed by the projection device (500) as a light pattern (LV) with a light-shadow line (HD), with the light-shadow line (HD) being determined by the aperture edge region (104) of the aperture device (103). At least one light guide element (200, 300) is arranged on the optical element (110), which light guide element has a light guide element light incoupling face (201, 301) and a light guide element light outcoupling face (202, 302), the at least one light guide element (200, 300) being arranged on the optical element (110) in such a manner that light (S3) is injected from the light injection element (101) via the light guide element light incoupling face (201, 301) into the at least one light guide element (200, 300), spreads within this, and enters the optical element (110) again via the light guide element light outcoupling face (202, 302), the light guide element light outcoupling face (202, 302) of the at least one light guide element (200, 300) issuing into the optical element (110) in such a manner that the at least one light guide element light outcoupling face (200, 300) lies beneath the aperture edge region (104) as considered in the vertical direction (Z), so that the light rays (S5) re-entering the optical element (110) from the projection optical assembly (200) are projected as a sign-light light beam (SL) into a region (B) of the light pattern located above the light-shadow line, and are displayed in the light pattern as a sign-light light pattern (SV), for instance.

A high and low beam integrated vehicle lamp lighting device, a vehicle lamp, and a vehicle. The lighting device comprises a first light source, a first light-condensing element, a second light source, a second light-condensing element, a light distribution element, and a lens; the first light-condensing element is arranged to be capable of condensing light emitted by the corresponding first light source and making the light projected through the lens by means of the light distribution element to form a low beam shape, and the second light-condensing element is arranged to be capable of condensing light emitted by the corresponding second light source and making the light projected through the lens by means of the light distribution element to form a high beam shape, wherein the light exit direction of at least one of the first light-condensing element and the second light-condensing element intersects with a light shape projection direction.

Sunlight incident in a lamp through a lens is prevented from being collected on a portion formed between a front end of a reflector and a lens holding frame through an opening formed in front of the portion. A vehicle lamp includes a light emitting portion, a lens that projects light emitted from the light emitting portion, a reflector including a first reflective surface that reflects light emitted from the light emitting portion toward the lens, an opening formed between a front end of the reflector and a frame, the frame that holds the lens, and a second reflective surface that is formed between the front end of the reflector and the frame, and reflects external light incident in the vehicle lamp through the lens.

A vehicle headlight (1), which is one aspect of a vehicle illumination lamp, includes: light sources (52R, 52G, 52B), and diffraction gratings (54R, 54G, 54B) for diffracting light incident from the light sources (52R, 52G, 52B). The light diffracted by the diffraction gratings (54R, 54G, 54B) is irradiated in a predetermined light distribution pattern. A projection area (AR) to which are projected components (LC.sub.R, LC.sub.G, LC.sub.B) advancing and passing through the diffraction gratings (54R, 54G, 54B) among the light incident on the diffraction gratings (54R, 54G, 54B) is positioned below the light distribution pattern and within a range (RNG) in which a field of view of a driver of a vehicle is obstructed by the vehicle.

A vehicular lamp includes a first light source that emits light forming a passing light distribution pattern; a second light source that is disposed forward of the first light source and emits light forming a traveling light distribution pattern; a reflector that reflects the light from the first and the second light sources; a first lens that projects the light reflected forward by the reflector; and a second lens that transmits the light from the second light source toward the reflector. The second light source and the first light source are disposed on the same plane. The reflector has first and second reflective surfaces. The first reflective surface reflects the light from the first light source to the first lens. The second reflective surface is disposed forward of the first reflective surface and reflects the light from the second light source through the second lens to the first lens.

A headlight module includes: a light source for emitting light; a condensing optical element for concentrating the light; and an optical element including an incident surface for receiving the concentrated light, a reflecting surface for reflecting the received light, and an emitting surface for emitting the reflected light. The condensing optical element changes a divergence angle of the light to form a light distribution pattern. The reflected light and light that enters the optical element and is not reflected by the reflecting surface are superposed on a plane including a point located at a focal position of the emitting surface in a direction of an optical axis of the emitting surface and being perpendicular to the optical axis, thereby forming a high luminous intensity region in the light distribution pattern on the plane. The emitting surface has positive refractive power and projects the light distribution pattern formed on the plane.